GoToSocial/internal/util/fns.go

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[performance] update remaining worker pools to use queues (#2865) * start replacing client + federator + media workers with new worker + queue types * refactor federatingDB.Delete(), drop queued messages when deleting account / status * move all queue purging to the processor workers * undo toolchain updates * code comments, ensure dereferencer worker pool gets started * update gruf libraries in readme * start the job scheduler separately to the worker pools * reshuffle ordering or server.go + remove duplicate worker start / stop * update go-list version * fix vendoring * move queue invalidation to before wipeing / deletion, to ensure queued work not dropped * add logging to worker processing functions in testrig, don't start workers in unexpected places * update go-structr to add (+then rely on) QueueCtx{} type * ensure more worker pools get started properly in tests * fix remaining broken tests relying on worker queue logic * fix account test suite queue popping logic, ensure noop workers do not pull from queue * move back accidentally shuffled account deletion order * ensure error (non nil!!) gets passed in refactored federatingDB{}.Delete() * silently drop deletes from accounts not permitted to * don't warn log on forwarded deletes * make if else clauses easier to parse * use getFederatorMsg() * improved code comment * improved code comment re: requesting account delete checks * remove boolean result from worker start / stop since false = already running or already stopped * remove optional passed-in http.client * remove worker starting from the admin CLI commands (we don't need to handle side-effects) * update prune cli to start scheduler but not all of the workers * fix rebase issues * remove redundant return statements * i'm sorry sir linter
2024-04-26 14:50:46 +02:00
// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package util
import (
"fmt"
"os"
"runtime"
"codeberg.org/gruf/go-errors/v2"
)
// Must executes 'fn' repeatedly until
// it successfully returns without panic.
func Must(fn func()) {
if fn == nil {
panic("nil func")
}
for !func() (done bool) {
defer func() {
if r := recover(); r != nil {
// Gather calling func frames.
pcs := make([]uintptr, 10)
n := runtime.Callers(3, pcs)
i := runtime.CallersFrames(pcs[:n])
c := gatherFrames(i, n)
const msg = "recovered panic: %v\n\n%s\n"
fmt.Fprintf(os.Stderr, msg, r, c.String())
}
}()
fn()
done = true
return
}() { //nolint
}
}
// gatherFrames collates runtime frames from a frame iterator.
func gatherFrames(iter *runtime.Frames, n int) errors.Callers {
if iter == nil {
return nil
}
frames := make([]runtime.Frame, 0, n)
for {
f, ok := iter.Next()
if !ok {
break
}
frames = append(frames, f)
}
return frames
}